winamp/Src/nu/dispatchTable.h

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2024-09-24 12:54:57 +00:00
#ifndef NULLSOFT_ORB_PLUGIN_DISPATCHTABLE_HEADER
#define NULLSOFT_ORB_PLUGIN_DISPATCHTABLE_HEADER
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
#pragma once
#endif
#define DISPTABLE_INCLUDE() public:\
STDMETHOD (GetIDsOfNames)(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid);\
STDMETHOD (GetTypeInfo)(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo);\
STDMETHOD (GetTypeInfoCount)(unsigned int FAR * pctinfo);\
STDMETHOD (Invoke)(DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr);\
private:\
typedef struct __DISPATCHENTRY DISPATCHENTRY;\
const static DISPATCHENTRY szDispatchTable[];
#define DISPTABLE_BEGIN()\
typedef HRESULT (DISPTABLE_CLASS::*DISPATCHHANDLER)(WORD /*wFlags*/, DISPPARAMS FAR* /*pdispparams*/, VARIANT FAR* /*pvarResult*/, UINT FAR* /*puArgErr*/);\
typedef struct __DISPATCHENTRY {\
UINT id;\
LPCWSTR name;\
DISPATCHHANDLER handler;\
} DISPATCHENTRY;\
const DISPTABLE_CLASS::DISPATCHENTRY DISPTABLE_CLASS::szDispatchTable[] = {
#define DISPTABLE_END\
};\
HRESULT DISPTABLE_CLASS::GetIDsOfNames(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid) {\
UINT unknowns = 0;\
for (unsigned int i = 0; i != cNames; i++) {\
rgdispid[i] = DISPID_UNKNOWN;\
for (INT j =0; j < ARRAYSIZE(szDispatchTable); j++) {\
if (CSTR_EQUAL == CompareString(CSTR_INVARIANT, 0, rgszNames[i], -1, szDispatchTable[j].name, -1)) {\
rgdispid[i] = szDispatchTable[j].id; break; }\
}\
if (DISPID_UNKNOWN == rgdispid[i]) { unknowns++; }\
}\
return (0 != unknowns) ? DISP_E_UNKNOWNNAME : S_OK;\
}\
HRESULT DISPTABLE_CLASS::GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo) { return E_NOTIMPL; }\
HRESULT DISPTABLE_CLASS::GetTypeInfoCount(unsigned int FAR * pctinfo) { return E_NOTIMPL; }\
HRESULT DISPTABLE_CLASS::Invoke(DISPID dispId, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr) {\
for (INT i = 0; i < ARRAYSIZE(szDispatchTable); i++) {\
if (dispId == szDispatchTable[i].id) { return (this->*szDispatchTable[i].handler)(wFlags, pdispparams, pvarResult, puArgErr); }\
}\
return DISP_E_MEMBERNOTFOUND;\
}
#define DISPENTRY_ADD(__id, __name, __handler)\
{ DISPTABLE_CLASS::__id, __name, &DISPTABLE_CLASS::__handler },
#define DISPHANDLER_REGISTER(__handler)\
HRESULT __handler(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr);
#endif //NULLSOFT_ORB_PLUGIN_DISPATCHTABLE_HEADER